protected virtual EXPR GenerateUserDefinedUnaryOperator(EXPRUNARYOP expr)
{
Debug.Assert(expr != null);
Debug.Assert(alwaysRewrite || currentAnonMeth != null);
PREDEFMETH pdm;
EXPR arg = expr.Child;
EXPRCALL call = expr.OptionalUserDefinedCall.asCALL();
if (call != null)
{
// Use the actual argument of the call; it may contain user-defined
// conversions or be a bound lambda, and that will not be in the original
// argument stashed away in the left child of the operator.
arg = call.GetOptionalArguments();
}
Debug.Assert(arg != null && arg.kind != ExpressionKind.EK_LIST);
switch (expr.kind)
{
case ExpressionKind.EK_TRUE:
case ExpressionKind.EK_FALSE:
return Visit(call);
case ExpressionKind.EK_UPLUS:
pdm = PREDEFMETH.PM_EXPRESSION_UNARYPLUS_USER_DEFINED;
break;
case ExpressionKind.EK_BITNOT: pdm = PREDEFMETH.PM_EXPRESSION_NOT_USER_DEFINED; break;
case ExpressionKind.EK_LOGNOT: pdm = PREDEFMETH.PM_EXPRESSION_NOT_USER_DEFINED; break;
case ExpressionKind.EK_DECIMALNEG:
case ExpressionKind.EK_NEG:
pdm = expr.isChecked() ? PREDEFMETH.PM_EXPRESSION_NEGATECHECKED_USER_DEFINED : PREDEFMETH.PM_EXPRESSION_NEGATE_USER_DEFINED;
break;
case ExpressionKind.EK_INC:
case ExpressionKind.EK_DEC:
case ExpressionKind.EK_DECIMALINC:
case ExpressionKind.EK_DECIMALDEC:
pdm = PREDEFMETH.PM_EXPRESSION_CALL;
break;
default:
throw Error.InternalCompilerError();
}
EXPR op = Visit(arg);
EXPR methodInfo = GetExprFactory().CreateMethodInfo(expr.UserDefinedCallMethod);
if (expr.kind == ExpressionKind.EK_INC || expr.kind == ExpressionKind.EK_DEC ||
expr.kind == ExpressionKind.EK_DECIMALINC || expr.kind == ExpressionKind.EK_DECIMALDEC)
{
return GenerateCall(pdm, null, methodInfo, GenerateParamsArray(op, PredefinedType.PT_EXPRESSION));
}
return GenerateCall(pdm, op, methodInfo);
}
protected virtual EXPR GenerateBuiltInUnaryOperator(EXPRUNARYOP expr)
{
Debug.Assert(expr != null);
Debug.Assert(alwaysRewrite || currentAnonMeth != null);
PREDEFMETH pdm;
switch (expr.kind)
{
case ExpressionKind.EK_UPLUS:
return Visit(expr.Child);
case ExpressionKind.EK_BITNOT: pdm = PREDEFMETH.PM_EXPRESSION_NOT; break;
case ExpressionKind.EK_LOGNOT: pdm = PREDEFMETH.PM_EXPRESSION_NOT; break;
case ExpressionKind.EK_NEG:
pdm = expr.isChecked() ? PREDEFMETH.PM_EXPRESSION_NEGATECHECKED : PREDEFMETH.PM_EXPRESSION_NEGATE;
break;
default:
throw Error.InternalCompilerError();
}
EXPR origOp = expr.Child;
return GenerateBuiltInUnaryOperator(pdm, origOp, expr);
}